National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Charleston Executive Airport (KJZI)

Lat: 32.7°NLon: 80°WElev: 16ft.

Fair

73°F

23°C

Humidity 83%
Wind Speed SE 6 mph
Barometer 30.26 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 May 10:35 pm EDT
Extended Forecast for

4 Miles E Charleston SC

Coastal Flood Advisory May 18, 10:49pm until May 19, 12:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory May 18, 10:49pm until May 19, 12:00am

    NOW until 12:00am Tue

    Coastal Flood Advisory

  • Tonight

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84. Light east wind becoming southeast 5 to 10 mph in the afternoon.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. South wind 3 to 7 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 2am. Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 71. Southeast wind around 5 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 84. Light east wind becoming southeast 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 71. Southeast wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 86. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 73. South wind 3 to 7 mph.
Thursday
Sunny, with a high near 87.
Thursday Night
A 20 percent chance of showers after 2am. Mostly clear, with a low around 74.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 85.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
Saturday
A chance of showers, with thunderstorms also possible after 8am. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Memorial Day
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Charleston SC
 32.79°N 79.93°W (Elev. 3 ft)
Last Update:
8:32 pm EDT May 18, 2026
Forecast Valid:
10pm EDT May 18, 2026-6pm EDT May 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation